package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /*
新增菜品
*/
    @AutoFill(OperationType.INSERT)
    @Options(useGeneratedKeys = true,keyProperty = "id")
    @Insert("insert into dish values (null,#{name}, #{categoryId}, #{price}, #{image}, #{description}, #{status} ,#{createTime}, #{updateTime}, #{createUser},\n" +
            "                #{updateUser})")
    void insert(Dish dish);
    /*
     * 菜品分页查询
     * */
    Page<DishVO> list(DishPageQueryDTO dto);

    @Select("select * from dish where id=#{id}")
    Dish selectById(Long id);
//    批量删除菜品基于xml方式 并且不使用for循环
    void deleteBatch(List<Long> ids);

    //    批量删除菜品
    @Delete("delete from dish where id=#{id}")
    void delete(Long id);
    /*
     * 修改菜品
     * */
    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);





    List<Dish> selectByDishId(Dish dish);
    @Select("select a.* from dish a left join setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long id);
}
